47 C.F.R. § 69.502 Base factor allocation.
Title 47 - Telecommunication
Projected revenues from the following shall be deducted from the base factor portion to determine the amount that is assigned to the Carrier Common Line element: (a) End User Common Line charges, less any marketing expense revenues recovered through end user common line charges pursuant to §69.156; (b) Special Access surcharges; and (c) The portion of per-line support that carriers receive pursuant to §54.303. (d) Beginning July 1, 2002, the portion of per-line support that carriers receive pursuant to §54.901 of this chapter; and (e) Line port costs in excess of basic analog service pursuant to §69.130. [62 FR 31939, June 11, 1997, as amended at 62 FR 40464, July 29, 1997; 66 FR 59733, Nov. 30, 2001]
Title 47: Telecommunication
PART 69—ACCESS CHARGES
Subpart F—Segregation of Common Line Element Revenue Requirement
§ 69.502 Base factor allocation.

